From 8b1dba87da8e17a37fcf1b015130181d8263c21b Mon Sep 17 00:00:00 2001
From: Matt Roper <matthew.d.roper@intel.com>
Date: Mon, 4 May 2020 15:52:09 -0700
Subject: drm/i915/rkl: Load DMC firmware for Rocket Lake
Git-commit: 3a303a3570d7265f7dba7b8a55bbd364afa6507f
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322

Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200504225227.464666-5-matthew.d.roper@intel.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/i915/display/intel_csr.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_csr.c b/drivers/gpu/drm/i915/display/intel_csr.c
index 3112572cfb7d..319932b03e88 100644
--- a/drivers/gpu/drm/i915/display/intel_csr.c
+++ b/drivers/gpu/drm/i915/display/intel_csr.c
@@ -40,6 +40,10 @@
 
 #define GEN12_CSR_MAX_FW_SIZE		ICL_CSR_MAX_FW_SIZE
 
+#define RKL_CSR_PATH			"i915/rkl_dmc_ver2_01.bin"
+#define RKL_CSR_VERSION_REQUIRED	CSR_VERSION(2, 1)
+MODULE_FIRMWARE(RKL_CSR_PATH);
+
 #define TGL_CSR_PATH			"i915/tgl_dmc_ver2_06.bin"
 #define TGL_CSR_VERSION_REQUIRED	CSR_VERSION(2, 6)
 #define TGL_CSR_MAX_FW_SIZE		0x6000
@@ -682,7 +686,11 @@ void intel_csr_ucode_init(struct drm_i915_private *dev_priv)
 	 */
 	intel_csr_runtime_pm_get(dev_priv);
 
-	if (INTEL_GEN(dev_priv) >= 12) {
+	if (IS_ROCKETLAKE(dev_priv)) {
+		csr->fw_path = RKL_CSR_PATH;
+		csr->required_version = RKL_CSR_VERSION_REQUIRED;
+		csr->max_fw_size = GEN12_CSR_MAX_FW_SIZE;
+	} else if (INTEL_GEN(dev_priv) >= 12) {
 		csr->fw_path = TGL_CSR_PATH;
 		csr->required_version = TGL_CSR_VERSION_REQUIRED;
 		/* Allow to load fw via parameter using the last known size */
-- 
2.29.2